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Old 09-18-2020, 11:03 PM   #1
Mini-Skoolie
 
Join Date: Aug 2020
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old 220 cummins , too much smoke no power

ols 220 cummins ,no power ,sooty smoke ,smolder a little when hot 180 deg.
not overheat,no fuel starve , rolls coal like ocean liner ,on hill
not near power should have even for non turbo guttless 220
what is issue ,plug injector ,stuck valve ,bad ring ,low commpression
or all ,this was supposedly rebuilt Quotation marks .

Save and fix of junk it ,reengine verticle N14 isx stack out roof?

on the positive the coach is spectacular,clean even comes with parents
old note too bus driver.
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Old 09-18-2020, 11:23 PM   #2
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Sounds like an injector/overfueling or turbo issue. Black smoke is fuel, bad turbo will do that. Basically the engine is fueling for extra air that it's not getting, too much fuel = black smoke. But since it is non turbo, sounds like you have an injector sticking open or mechanical unit throwing too much pressure.
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Old 09-19-2020, 12:11 AM   #3
Mini-Skoolie
 
Join Date: Aug 2020
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black smoke 220 cumminms non turbo.

thank s for inpiut I have no idea as to engine cond .
former owner passed on no deatails or engine file ,not good.
I will have determine ,compression ,fuel pump press ,inject cond.
a big order of test to determine fix it or junk the motor.
note I have driven old KW 220 cummins twin stick 1956
much more torque and power so I know eng is not up to
par. so sad.
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Old 09-19-2020, 12:48 AM   #4
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Overfueling will kill the power, that's for sure.
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Old 09-19-2020, 09:07 AM   #5
Bus Crazy
 
Join Date: May 2014
Location: West Ohio
Posts: 1,974
Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
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If you just revived this thing after sitting, make sure the intake and exhaust isn't partially plugged by critters.

If it's been sitting awhile, you also might have stuck rings.

Or, what you're experiencing is the reason the bus was parked in the first place.
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Old 09-20-2020, 07:24 PM   #6
Mini-Skoolie
 
Join Date: Aug 2020
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black smoke 220 cumminms non turbo.

gussboy reply ,former owner passed on ,could be plug inject,
all fuel coolant flush, ,have no history on this 35 ft 69 crown.
except what I know ,should not do that.
no air passage clear ,but I will look again ,...Bees wasps nest?
need NHHc 300 or 350 bus is way underpowered for hyway
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